AVTMMTO210 Rev 7 Sept 2013
15
4
Operating the MTO210
When testing high-voltage transformers, caution must be used at all times and all
safety precautions followed. Read, understand, and employ all safety precautions
and circuit connections described in Section 2 Safety and Section 3 Preparing for
Test.
F
WARNING
Ensure that the transformer to be tested is completely
de-energized. Check every winding. Ensure that all
terminals of the transformer are disconnected from line
or load at the transformer. Connections to ground may
be left in place.
F
WARNING
For all testing as described herein, care shall be taken
to ensure any and all unused clamps shall be isolated
from each other, from ground, and from personnel.
F
EMERGENCY SHUTDOWN PROCEDURE
Press red EMERGENCY TEST OFF push button
or switch power off.
Description of Test Sequence
Once all the precautions and steps of Sections 2 Safety and 3 Prepare for Test are
complete, and the connections to the Transformer Under Test (TUT) have been
made, then the input switch may be switched to the ON position.
0, OFF position
- , ON position
The MTO is operated by using the keypad on the front panel. On power up, a
beep sound will occur, the test set performs a self-test check, and all hardware
and software variables are initialized.
î